The specification show cross sections of various chamber parts. Arch and end cap dimensions with chamber inset showing the valley stiffening rib, lower joint corrugation, crest, web, upper joint corrugation, crest stiffening ribs and foot are detailed.

MC-4500 technical detail with nominal chamber specifications and dimensions, nominal end cap specifications, part numbers and drawings are shown.

A note about custom prefabricated inverts are available upon request. Inventoried and eccentric manifold sizes listed. Custom invert locations on the MC-4500 end cap cut in the field are not recommended for pipe sizes greater than 10”.